Pneumatically Actuated Ball Valve Full-Port For High-Flow Industrial Pipeline

pneumatically actuated ball valve with full-port design, modular actuator for chemical, water-treatment and skid-mounted systems.

Description

1. Product Overview
The pneumatically actuated ball valve features an external modular pneumatic actuator that uses compressed air to rotate the ball 90° for on/off flow control. It is equipped with a full‑port (full‑bore) ball, where the internal opening matches the nominal pipe diameter, minimising flow resistance and ensuring high‑capacity transmission. The actuator is offered in double‑acting and single‑acting spring‑return types; the latter automatically closes upon air supply failure to prevent process hazards.

Optional accessories such as solenoid valves and limit switches enable integration with PLC and DCS industrial control systems. The valve supports flanged or BSP/NPT threaded connections. The modular construction of the valve body and actuator facilitates easy assembly and disassembly, making it suitable for chemical processing, water treatment, skid‑mounted packages, oil‑gas auxiliary lines, and other industrial applications.

2. Materials & Technical Specifications

Parameter Detail
Nominal sizes DN15 – DN200 (1/2″ – 8″)
Drive type Modular pneumatic actuator
Ball type Full port (full bore)
Actuator type Double‑acting / Single‑acting spring return
Connection BSP/NPT threaded; flanged optional
Body material WCB carbon steel / SS304 / SS316 stainless steel
Air supply pressure 0.4–0.7 MPa
Key features Full‑bore high flow, modular actuator for easy maintenance
Optional accessories Limit switches, solenoid valves, air preparation units (FRL)
Working pressure 0.1–6.4 MPa
Medium temperature –29°C ~ 180°C
Applicable media Process water, chemical raw materials, oil‑gas media, wastewater, mildly to moderately corrosive fluids

3. Application Scenarios
Typical deployments include chemical process lines, industrial water‑treatment systems, oil‑gas auxiliary piping, food and pharmaceutical production, hazardous‑area process units, skid‑mounted equipment packages, factory automation fluid lines, and auxiliary fluid systems in the energy sector.

4. Real‑World Project
At the Chem‑Unit Barcelona chemical package project in Barcelona, Spain, the pneumatically actuated ball valve was installed in bulk on main process headers. The full‑bore design effectively reduces system pressure drop, ensuring smooth high‑volume media transfer; the modular actuator simplifies on‑site disassembly and maintenance, reducing equipment downtime. For routine continuous transfer lines, the double‑acting pneumatically actuated ball valve is selected for standard on‑off duties.

5. Selection Guide & Distinctive Strengths
The core strength lies in its full‑bore configuration – the ball has no internal restriction, offering ample flow cross‑section and low pressure loss, avoiding flow bottlenecks across various high‑capacity industrial process lines. The modular separation of body and actuator allows independent replacement of either component during maintenance, lowering lifecycle costs.

  • For fail‑safe closure upon air supply failure → choose the spring‑return pneumatically actuated ball valve.

  • For corrosive process media → prefer the stainless steel pneumatically actuated ball valve.

  • For central control systems needing position feedback → configure with the limit switch pneumatically actuated ball valve.

Note: Full‑port balls typically require higher torque; ensure the actuator is properly sized. For hazardous areas, all accessories (solenoids, limit switches) must meet the required explosion‑protection rating. The product complies with CE and ISO industrial standards. We provide dimensional drawings, torque selection manuals, and installation/maintenance documentation to facilitate system design and project acceptance for overseas engineering contractors. Bulk orders are welcome, and valve bodies, actuators, and seals can be supplied separately to shorten spare‑parts delivery lead times.